flora vs wood

flora and wood both are nouns.

Word	Noun	Adjective	Verb	Adverb
flora	Yes	No	No	No
wood	Yes	No	No	No

As nouns, wood is a hyponym of flora; that is, wood is a word with a more specific, narrower meaning than flora:

flora (noun)	wood (noun)
(botany) a living organism lacking the power of locomotion	any wind instrument other than the brass instruments
all the plant life in a particular region or period	a golf club with a long shaft used to hit long shots; originally made with a wooden head
	the trees and other plants in a large densely wooded area
	the hard fibrous lignified substance under the bark of trees